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It is true that Peter is a nice person, but you would want to avoid him.\",\"course_id\":\"STAT 424\",\"date\":\"2021-04-30 04:07:53 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"f5a92c81764d51fb616c6140\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NjY1NDgx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"Peter is a really nice person, but a really horrible professor. He is about as unorganized and ineffective as a professor can get. He wastes class time and leaves you more confused than when he started. His lectures and examples lack clear direction. He made a class that should have been straightforward unreasonably difficult.\",\"course_id\":\"STAT 424\",\"date\":\"2021-05-01 02:54:13 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"b7c91568ce171fdf8c4293d9\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NjczNDM4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"There were lots of positive feedbacks about Peter, but this semester he really did poor in teaching. Maybe it is due to the online instruction, he just talked through the problems in class and did not write anything down, which is very hard to understand. Also the grading is super unclear. Did not provide any grade cutoff for exams. AVOID!\",\"course_id\":\"STAT 424\",\"date\":\"2021-05-03 01:36:10 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"87ef2d1c644ef6d6ab9c844e\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NjgzNzI4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"He's friendly but he's a terrible teacher. He rambles a lot in lecture about random, unrelated topics and the textbook he uses is not all that good either. The one plus is that he's a very lenient grader. But if you want to actually learn and understand experimental design, you should take it with someone else.\",\"course_id\":\"STAT 424\",\"date\":\"2025-04-30 00:43:09 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"6d82761af47c5ff8caac2c9d\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQxMDkzOTUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"He isn't a super great professor, but the class also isn't super hard. I would really recommend taking it with someone else to understand what is going on. He rambles a lot and it would be a much easier class if he walked through problems. Also he mentioned he's requiring attendance next semester, so just a heads up. \",\"course_id\":\"STAT 424\",\"date\":\"2026-04-09 17:56:53 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"01f878a32394abb2cc90cd32\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTQyODA2NzM0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"Grading isn't super clear IMO, also not as generous of grading as I expected given what has been said in the past. He rambles, class feels pointless sometimes. \",\"course_id\":\"STAT 424\",\"date\":\"2026-05-01 21:04:06 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"8b24a86f2d066eb14b0f7514\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQyOTk4ODI1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"}],\"evidence_count\":12,\"review_ids\":[\"f25b8b13ce216eb14853a9ca\",\"06411f0d5c68fbd94a67b724\",\"77e58f92a2c1548eb829cdc0\",\"77814fea983856ca400a92a1\",\"e69defbf02881f460a43d8bc\",\"ab71a378bed7090740183c06\",\"f5a92c81764d51fb616c6140\",\"b7c91568ce171fdf8c4293d9\",\"87ef2d1c644ef6d6ab9c844e\",\"6d82761af47c5ff8caac2c9d\",\"01f878a32394abb2cc90cd32\",\"8b24a86f2d066eb14b0f7514\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2359490\",\"name\":\"Peter Chien\"},{\"id\":\"rmp:2525911\",\"name\":\"Pixu Shi\"},{\"id\":\"rmp:2627456\",\"name\":\"Tedward Erker\"},{\"id\":\"rmp:371080\",\"name\":\"Wei-Yin Loh\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2006\"},\"sentiment\":\"mixed\",\"summary\":\"Instructor effectiveness varies. Pixu Shi and Tedward Erker are praised for clarity, while Peter Chien receives polarized reviews, described as both amazing and unorganized.\"},{\"aspect\":\"workload\",\"evidence\":[{\"comment\":\"This class is extremly hard!!!  I never expected to spend so much time on one class.  He is a great teacher, but his exams are awful and you must fight for a B.\",\"course_id\":\"STAT 424\",\"date\":\"2006-01-17 23:25:06 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"e69defbf02881f460a43d8bc\",\"instructor_id\":\"rmp:371080\",\"instructor_name\":\"Wei-Yin Loh\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTExMzc5OTYy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\"},{\"comment\":\"BEST PROFESSOR EVER!!!   Most energetic person about stats I have ever seen.  Makes you want to learn and doesn't deal with teaching bull.  Material isn't  hard if you have any stats background, you have to try to not get a B or higher.  All you have to do is go to class an be active, do a little homework, and you should be fine on the the exams.\",\"course_id\":\"STAT 424\",\"date\":\"2006-11-13 20:40:11 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"e208fcbc7f8abfc91aea9733\",\"instructor_id\":\"rmp:371080\",\"instructor_name\":\"Wei-Yin Loh\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTEyNDA4MDE2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\"},{\"comment\":\"His lectures were fine but I really learned the material by reading the book and going to section and listening to the TA. He skimmed project proposals and approved them without actually reading them. Mine had errors that I didn't realise until too late, a friend of mine was told to redo his project with a diff idea even though it was approved...\",\"course_id\":\"STAT 424\",\"date\":\"2018-05-07 18:11:47 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"7167ef254102db3ba9a7310c\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTMwMDE0OTY2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"his class may sound boring at first, but it gets better. the exams are almost the same as the practice exams, which is very helpful. for the exams you need to pay close attention for what he says in class, and get ready to read the textbook for supporting materials. homework requires writing R codes, lectures and exams will not.\",\"course_id\":\"STAT 424\",\"date\":\"2019-12-15 19:48:08 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"a0b1e22e48955fa4f7801e83\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTMyNjY3ODgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"I took her STAT 333, 310, 424 in a row. She's one of the most patient and accessible professors in the department. Lectures are clear and notes are super helpful. Exams can be quite difficult and long, but grading is fair and generous. Practice exams are available. I've learned a lot from her classes but it did require some hard work.\",\"course_id\":\"STAT 424\",\"date\":\"2020-05-07 05:21:35 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"aa067f083f169d7721f11d0b\",\"instructor_id\":\"rmp:2525911\",\"instructor_name\":\"Pixu Shi\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTMzMjI3NjI3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2525911\"},{\"comment\":\"Peter not only excels at explaining statistical formulas, but also goes beyond that to impart a deeper understanding of statistical knowledge. This makes him stand out as one of the best statistics professors I have ever encountered. Additionally, he is incredibly patient and willing to answer all of your questions.\",\"course_id\":\"STAT 424\",\"date\":\"2023-04-29 01:57:52 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"fd261ae48a52bf773c51df41\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM3NzU3NTAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"}],\"evidence_count\":6,\"review_ids\":[\"e69defbf02881f460a43d8bc\",\"e208fcbc7f8abfc91aea9733\",\"7167ef254102db3ba9a7310c\",\"a0b1e22e48955fa4f7801e83\",\"aa067f083f169d7721f11d0b\",\"fd261ae48a52bf773c51df41\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2359490\",\"name\":\"Peter Chien\"},{\"id\":\"rmp:2525911\",\"name\":\"Pixu Shi\"},{\"id\":\"rmp:371080\",\"name\":\"Wei-Yin Loh\"}],\"review_year_end\":\"2023\",\"review_year_start\":\"2006\"},\"sentiment\":\"mixed\",\"summary\":\"Workload perception is inconsistent. Some find it extremely time-consuming, while others feel it is manageable with attendance and homework. R coding is required.\"},{\"aspect\":\"assessment\",\"evidence\":[{\"comment\":\"BEST PROFESSOR EVER!!!   Most energetic person about stats I have ever seen.  Makes you want to learn and doesn't deal with teaching bull.  Material isn't  hard if you have any stats background, you have to try to not get a B or higher.  All you have to do is go to class an be active, do a little homework, and you should be fine on the the exams.\",\"course_id\":\"STAT 424\",\"date\":\"2006-11-13 20:40:11 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"e208fcbc7f8abfc91aea9733\",\"instructor_id\":\"rmp:371080\",\"instructor_name\":\"Wei-Yin Loh\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTEyNDA4MDE2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\"},{\"comment\":\"Professor Chien is really a good person and he inspired you to learn deeper in Statistics. His teaching is really fascinating and useful. I think everyone can learn some from his class. The exam is not too difficult if you follow his instruction and do all required material. He is really good at teaching.\",\"course_id\":\"STAT 424\",\"date\":\"2018-09-20 15:47:19 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"2adb8162e9db87f73c39438e\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTMwNTEzMDQx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"his class may sound boring at first, but it gets better. the exams are almost the same as the practice exams, which is very helpful. for the exams you need to pay close attention for what he says in class, and get ready to read the textbook for supporting materials. homework requires writing R codes, lectures and exams will not.\",\"course_id\":\"STAT 424\",\"date\":\"2019-12-15 19:48:08 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"a0b1e22e48955fa4f7801e83\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTMyNjY3ODgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"I took her STAT 333, 310, 424 in a row. She's one of the most patient and accessible professors in the department. Lectures are clear and notes are super helpful. Exams can be quite difficult and long, but grading is fair and generous. Practice exams are available. I've learned a lot from her classes but it did require some hard work.\",\"course_id\":\"STAT 424\",\"date\":\"2020-05-07 05:21:35 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"aa067f083f169d7721f11d0b\",\"instructor_id\":\"rmp:2525911\",\"instructor_name\":\"Pixu Shi\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTMzMjI3NjI3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2525911\"},{\"comment\":\"DO NOT be fooled by the positive comments! Here are just a few of the many examples of why Peter is subpar, academically and as an instructor. 1) Failed to answer questions in class 2) Replied to questions in piazza only by saying "TA will address this". It is true that Peter is a nice person, but you would want to avoid him.\",\"course_id\":\"STAT 424\",\"date\":\"2021-04-30 04:07:53 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"f5a92c81764d51fb616c6140\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NjY1NDgx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"Peter is nice and he's pretty good at explaining the course topics. He gives a lot of review material for the exams, so you can do well if you try. But, the exams did take most of the class the entire period, so be aware that you'll need to work fast. He's inconsistent at answering Piazza posts, but is very willing to help if you speak to him. \",\"course_id\":\"STAT 424\",\"date\":\"2024-05-09 21:12:58 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"4046cdd35af64b1f39661ce5\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTM5NDIzMzQ2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"Although he needs to improve his lectures, his notes are fine because they include all the important information in the course. He doesn't give hard assessments, but we can still learn something.\",\"course_id\":\"STAT 424\",\"date\":\"2025-01-11 10:46:37 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"73351f8c01dd28a3b0cba46f\",\"instructor_id\":\"rmp:2911640\",\"instructor_name\":\"Nimal Wickremasinghe\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTQwMjYzODg0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2911640\"},{\"comment\":\"Peter's nice and very accommodating but his lectures are BAD. You'll have to learn the material yourself but it isn't bad at all b/c the material he covers is pretty easy. Beyond that he's really lenient and gives relatively easy tests that are extremely predictable (think change some wording from practice exam predictable). \",\"course_id\":\"STAT 424\",\"date\":\"2026-05-07 03:46:17 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"9fb774e9b769f89f39a0617c\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTQzMDU1ODEw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"}],\"evidence_count\":8,\"review_ids\":[\"e208fcbc7f8abfc91aea9733\",\"2adb8162e9db87f73c39438e\",\"a0b1e22e48955fa4f7801e83\",\"aa067f083f169d7721f11d0b\",\"f5a92c81764d51fb616c6140\",\"4046cdd35af64b1f39661ce5\",\"73351f8c01dd28a3b0cba46f\",\"9fb774e9b769f89f39a0617c\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2359490\",\"name\":\"Peter Chien\"},{\"id\":\"rmp:2525911\",\"name\":\"Pixu Shi\"},{\"id\":\"rmp:2911640\",\"name\":\"Nimal Wickremasinghe\"},{\"id\":\"rmp:371080\",\"name\":\"Wei-Yin Loh\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2006\"},\"sentiment\":\"mixed\",\"summary\":\"Exams vary from predictable to tricky. Grading clarity is contested, with some finding it fair and others unclear.\"},{\"aspect\":\"projects\",\"evidence\":[{\"comment\":\"His lectures were fine but I really learned the material by reading the book and going to section and listening to the TA. He skimmed project proposals and approved them without actually reading them. Mine had errors that I didn't realise until too late, a friend of mine was told to redo his project with a diff idea even though it was approved...\",\"course_id\":\"STAT 424\",\"date\":\"2018-05-07 18:11:47 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"7167ef254102db3ba9a7310c\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTMwMDE0OTY2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"Peter is one of the best stat professors I've ever meet. If you attend the lecture and take the class seriously, you would get an A easily. Peter would give you lots of advice about the final project. Of course, the best way is to talk to him personally about the project, which will make you in the right direction and an A.\",\"course_id\":\"STAT 424\",\"date\":\"2018-09-20 15:00:44 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"d2254374e7c851ff56758e64\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTMwNTEyODcz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"I enjoyed taking the course. Professor Chien gave interesting examples of chip production and shared stories about statisticians. We learned methods like two-way ANOVA, Latin square, and factorial design. I suggest attending office hours, as he excels at inspiring thoughts, which gives you opportunities to explore and deepen your understanding. \",\"course_id\":\"STAT 424\",\"date\":\"2024-05-17 20:48:44 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"846af3f30b0f94e2af0049dc\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM5NDg1OTQy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"}],\"evidence_count\":3,\"review_ids\":[\"7167ef254102db3ba9a7310c\",\"d2254374e7c851ff56758e64\",\"846af3f30b0f94e2af0049dc\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2359490\",\"name\":\"Peter Chien\"}],\"review_year_end\":\"2024\",\"review_year_start\":\"2018\"},\"sentiment\":\"mixed\",\"summary\":\"The final project is significant. Some appreciate guidance, while others report issues with approval and feedback.\"}]}","candidate_json":null,"error":null,"model":"nvidia/Qwen3.6-35B-A3B-NVFP4","model_revision":"1355db6a052410cfd62085d94b58866fd0f2c3c5","selected_for_release":true},{"run_id":"20260907T155543-ce3781c4","observed_at":"2026-09-07 15:55:43.033547+00:00","course_uid":"course_3c746e3add116a6aa2b49441","course_id":"STAT 424","catalog_version_id":"4c0896061e75a324e407d0ddf5c57ad8292114da32ad6484f4cbd6cc16898ce2","record_version_id":"2c90291bbebd385125ec23f0858b4a8ba055541766e5ceb1aba8815eeeb9b8df","job_id":"enrich-6d152121341c0acec09161dd","output_id":"1f5f07da8f186e5749f7c87d96eecee720fc7c71ab9d610648f0b696ca4f034e","section":"requirements","status":"needs_review","value_json":"{\"nodes\":[{\"children\":[\"n1\",\"n2\",\"n15\"],\"condition\":null,\"course\":null,\"evidence\":\"(MATH/STAT 310,STAT 333, or340) or (declared in Mechanical Engineering BS and one ofSTAT 240,301, 302,312,324,371, orI SY E 210), or 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Topics include: principles of randomization, blocking and replication, randomized blocking designs, Latin square designs, full factorial and fractional factorial designs and response surface methodology.\"}],\"text\":\"STAT 424 introduces statistical experimental design, covering randomization, blocking, factorial designs, and response surface methodology with engineering applications.\"},\"topics\":[{\"evidence\":[{\"course_id\":\"STAT 424\",\"field\":\"description\",\"quote\":\"principles of randomization, blocking and replication\"}],\"text\":\"Randomization, blocking, and replication.\"},{\"evidence\":[{\"course_id\":\"STAT 424\",\"field\":\"description\",\"quote\":\"randomized blocking designs, Latin square designs\"}],\"text\":\"Randomized blocking and Latin square designs.\"},{\"evidence\":[{\"course_id\":\"STAT 424\",\"field\":\"description\",\"quote\":\"full factorial and fractional factorial designs\"},{\"course_id\":\"STAT 424\",\"field\":\"description\",\"quote\":\"response surface methodology\"}],\"text\":\"Full factorial, fractional factorial, and response surface methodology.\"},{\"evidence\":[{\"course_id\":\"STAT 424\",\"field\":\"description\",\"quote\":\"design of experiments for digital transformation and A/B testing\"}],\"text\":\"Digital transformation and A/B testing applications.\"}]}","candidate_json":null,"error":null,"model":"nvidia/Qwen3.6-35B-A3B-NVFP4","model_revision":"1355db6a052410cfd62085d94b58866fd0f2c3c5","selected_for_release":true},{"run_id":"20260907T155543-ce3781c4","observed_at":"2026-09-07 15:55:43.033547+00:00","course_uid":"course_3c746e3add116a6aa2b49441","course_id":"STAT 424","catalog_version_id":"4c0896061e75a324e407d0ddf5c57ad8292114da32ad6484f4cbd6cc16898ce2","record_version_id":"2c90291bbebd385125ec23f0858b4a8ba055541766e5ceb1aba8815eeeb9b8df","job_id":"enrich-6d152121341c0acec09161dd","output_id":"1f5f07da8f186e5749f7c87d96eecee720fc7c71ab9d610648f0b696ca4f034e","section":"student_experience","status":"valid","value_json":"{\"status\":\"supported\",\"themes\":[{\"aspect\":\"teaching_clarity\",\"evidence\":[{\"comment\":\"Professor Shi is a really nice professor, delivers very clear lectures and notes and is eager to help. 10/10 recommend.\",\"course_id\":\"STAT 424\",\"date\":\"2019-10-28 02:23:45 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"f25b8b13ce216eb14853a9ca\",\"instructor_id\":\"rmp:2525911\",\"instructor_name\":\"Pixu Shi\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTMyMzI0NjIw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2525911\"},{\"comment\":\"Tedward is awesome. He is an amazing lecturer and is always accessible outside the class. He is also a nice guy to interact with. Overall very good experience. \",\"course_id\":\"STAT 424\",\"date\":\"2022-08-08 03:42:12 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"06411f0d5c68fbd94a67b724\",\"instructor_id\":\"rmp:2627456\",\"instructor_name\":\"Tedward Erker\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM2NTcwNDQz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2627456\"},{\"comment\":\"really nice guy\",\"course_id\":\"STAT 424\",\"date\":\"2022-12-28 21:18:08 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"77e58f92a2c1548eb829cdc0\",\"instructor_id\":\"rmp:2627456\",\"instructor_name\":\"Tedward Erker\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM3MjU2NDg5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2627456\"},{\"comment\":\"loveeee tedward. he's the best\",\"course_id\":\"STAT 424\",\"date\":\"2023-10-20 01:37:38 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"77814fea983856ca400a92a1\",\"instructor_id\":\"rmp:2627456\",\"instructor_name\":\"Tedward Erker\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM4MjkxODI3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2627456\"},{\"comment\":\"This class is extremly hard!!!  I never expected to spend so much time on one class.  He is a great teacher, but his exams are awful and you must fight for a B.\",\"course_id\":\"STAT 424\",\"date\":\"2006-01-17 23:25:06 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"e69defbf02881f460a43d8bc\",\"instructor_id\":\"rmp:371080\",\"instructor_name\":\"Wei-Yin Loh\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTExMzc5OTYy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\"},{\"comment\":\"Loh is an excellent statistician but not a good lecturer. 40% midterm and 50% final. There are only a hundred pages of lecture slides throughout the semester, so be ready to read through them. The midterm was tricky, questions were never expected, and not the same as the practice exam if you have to take this class with him, good luck.\",\"course_id\":\"STAT 424\",\"date\":\"2022-12-17 20:58:24 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"ab71a378bed7090740183c06\",\"instructor_id\":\"rmp:371080\",\"instructor_name\":\"Wei-Yin Loh\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTM3MTcyMjc0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\"},{\"comment\":\"DO NOT be fooled by the positive comments! Here are just a few of the many examples of why Peter is subpar, academically and as an instructor. 1) Failed to answer questions in class 2) Replied to questions in piazza only by saying "TA will address this". It is true that Peter is a nice person, but you would want to avoid him.\",\"course_id\":\"STAT 424\",\"date\":\"2021-04-30 04:07:53 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"f5a92c81764d51fb616c6140\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NjY1NDgx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"Peter is a really nice person, but a really horrible professor. He is about as unorganized and ineffective as a professor can get. He wastes class time and leaves you more confused than when he started. His lectures and examples lack clear direction. He made a class that should have been straightforward unreasonably difficult.\",\"course_id\":\"STAT 424\",\"date\":\"2021-05-01 02:54:13 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"b7c91568ce171fdf8c4293d9\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NjczNDM4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"There were lots of positive feedbacks about Peter, but this semester he really did poor in teaching. Maybe it is due to the online instruction, he just talked through the problems in class and did not write anything down, which is very hard to understand. Also the grading is super unclear. Did not provide any grade cutoff for exams. AVOID!\",\"course_id\":\"STAT 424\",\"date\":\"2021-05-03 01:36:10 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"87ef2d1c644ef6d6ab9c844e\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NjgzNzI4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"He's friendly but he's a terrible teacher. He rambles a lot in lecture about random, unrelated topics and the textbook he uses is not all that good either. The one plus is that he's a very lenient grader. But if you want to actually learn and understand experimental design, you should take it with someone else.\",\"course_id\":\"STAT 424\",\"date\":\"2025-04-30 00:43:09 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"6d82761af47c5ff8caac2c9d\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQxMDkzOTUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"He isn't a super great professor, but the class also isn't super hard. I would really recommend taking it with someone else to understand what is going on. He rambles a lot and it would be a much easier class if he walked through problems. Also he mentioned he's requiring attendance next semester, so just a heads up. \",\"course_id\":\"STAT 424\",\"date\":\"2026-04-09 17:56:53 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"01f878a32394abb2cc90cd32\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTQyODA2NzM0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"Grading isn't super clear IMO, also not as generous of grading as I expected given what has been said in the past. He rambles, class feels pointless sometimes. \",\"course_id\":\"STAT 424\",\"date\":\"2026-05-01 21:04:06 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"8b24a86f2d066eb14b0f7514\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQyOTk4ODI1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"}],\"evidence_count\":12,\"review_ids\":[\"f25b8b13ce216eb14853a9ca\",\"06411f0d5c68fbd94a67b724\",\"77e58f92a2c1548eb829cdc0\",\"77814fea983856ca400a92a1\",\"e69defbf02881f460a43d8bc\",\"ab71a378bed7090740183c06\",\"f5a92c81764d51fb616c6140\",\"b7c91568ce171fdf8c4293d9\",\"87ef2d1c644ef6d6ab9c844e\",\"6d82761af47c5ff8caac2c9d\",\"01f878a32394abb2cc90cd32\",\"8b24a86f2d066eb14b0f7514\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2359490\",\"name\":\"Peter Chien\"},{\"id\":\"rmp:2525911\",\"name\":\"Pixu Shi\"},{\"id\":\"rmp:2627456\",\"name\":\"Tedward Erker\"},{\"id\":\"rmp:371080\",\"name\":\"Wei-Yin Loh\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2006\"},\"sentiment\":\"mixed\",\"summary\":\"Instructor effectiveness varies. Pixu Shi and Tedward Erker are praised for clarity, while Peter Chien receives polarized reviews, described as both amazing and unorganized.\"},{\"aspect\":\"workload\",\"evidence\":[{\"comment\":\"This class is extremly hard!!!  I never expected to spend so much time on one class.  He is a great teacher, but his exams are awful and you must fight for a B.\",\"course_id\":\"STAT 424\",\"date\":\"2006-01-17 23:25:06 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"e69defbf02881f460a43d8bc\",\"instructor_id\":\"rmp:371080\",\"instructor_name\":\"Wei-Yin Loh\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTExMzc5OTYy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\"},{\"comment\":\"BEST PROFESSOR EVER!!!   Most energetic person about stats I have ever seen.  Makes you want to learn and doesn't deal with teaching bull.  Material isn't  hard if you have any stats background, you have to try to not get a B or higher.  All you have to do is go to class an be active, do a little homework, and you should be fine on the the exams.\",\"course_id\":\"STAT 424\",\"date\":\"2006-11-13 20:40:11 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"e208fcbc7f8abfc91aea9733\",\"instructor_id\":\"rmp:371080\",\"instructor_name\":\"Wei-Yin Loh\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTEyNDA4MDE2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\"},{\"comment\":\"His lectures were fine but I really learned the material by reading the book and going to section and listening to the TA. He skimmed project proposals and approved them without actually reading them. Mine had errors that I didn't realise until too late, a friend of mine was told to redo his project with a diff idea even though it was approved...\",\"course_id\":\"STAT 424\",\"date\":\"2018-05-07 18:11:47 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"7167ef254102db3ba9a7310c\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTMwMDE0OTY2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"his class may sound boring at first, but it gets better. the exams are almost the same as the practice exams, which is very helpful. for the exams you need to pay close attention for what he says in class, and get ready to read the textbook for supporting materials. homework requires writing R codes, lectures and exams will not.\",\"course_id\":\"STAT 424\",\"date\":\"2019-12-15 19:48:08 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"a0b1e22e48955fa4f7801e83\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTMyNjY3ODgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"I took her STAT 333, 310, 424 in a row. She's one of the most patient and accessible professors in the department. Lectures are clear and notes are super helpful. Exams can be quite difficult and long, but grading is fair and generous. Practice exams are available. I've learned a lot from her classes but it did require some hard work.\",\"course_id\":\"STAT 424\",\"date\":\"2020-05-07 05:21:35 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"aa067f083f169d7721f11d0b\",\"instructor_id\":\"rmp:2525911\",\"instructor_name\":\"Pixu Shi\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTMzMjI3NjI3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2525911\"},{\"comment\":\"Peter not only excels at explaining statistical formulas, but also goes beyond that to impart a deeper understanding of statistical knowledge. This makes him stand out as one of the best statistics professors I have ever encountered. Additionally, he is incredibly patient and willing to answer all of your questions.\",\"course_id\":\"STAT 424\",\"date\":\"2023-04-29 01:57:52 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"fd261ae48a52bf773c51df41\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM3NzU3NTAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"}],\"evidence_count\":6,\"review_ids\":[\"e69defbf02881f460a43d8bc\",\"e208fcbc7f8abfc91aea9733\",\"7167ef254102db3ba9a7310c\",\"a0b1e22e48955fa4f7801e83\",\"aa067f083f169d7721f11d0b\",\"fd261ae48a52bf773c51df41\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2359490\",\"name\":\"Peter Chien\"},{\"id\":\"rmp:2525911\",\"name\":\"Pixu Shi\"},{\"id\":\"rmp:371080\",\"name\":\"Wei-Yin Loh\"}],\"review_year_end\":\"2023\",\"review_year_start\":\"2006\"},\"sentiment\":\"mixed\",\"summary\":\"Workload perception is inconsistent. Some find it extremely time-consuming, while others feel it is manageable with attendance and homework. R coding is required.\"},{\"aspect\":\"assessment\",\"evidence\":[{\"comment\":\"BEST PROFESSOR EVER!!!   Most energetic person about stats I have ever seen.  Makes you want to learn and doesn't deal with teaching bull.  Material isn't  hard if you have any stats background, you have to try to not get a B or higher.  All you have to do is go to class an be active, do a little homework, and you should be fine on the the exams.\",\"course_id\":\"STAT 424\",\"date\":\"2006-11-13 20:40:11 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"e208fcbc7f8abfc91aea9733\",\"instructor_id\":\"rmp:371080\",\"instructor_name\":\"Wei-Yin Loh\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTEyNDA4MDE2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\"},{\"comment\":\"Professor Chien is really a good person and he inspired you to learn deeper in Statistics. His teaching is really fascinating and useful. I think everyone can learn some from his class. The exam is not too difficult if you follow his instruction and do all required material. He is really good at teaching.\",\"course_id\":\"STAT 424\",\"date\":\"2018-09-20 15:47:19 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"2adb8162e9db87f73c39438e\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTMwNTEzMDQx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"his class may sound boring at first, but it gets better. the exams are almost the same as the practice exams, which is very helpful. for the exams you need to pay close attention for what he says in class, and get ready to read the textbook for supporting materials. homework requires writing R codes, lectures and exams will not.\",\"course_id\":\"STAT 424\",\"date\":\"2019-12-15 19:48:08 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"a0b1e22e48955fa4f7801e83\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTMyNjY3ODgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"I took her STAT 333, 310, 424 in a row. She's one of the most patient and accessible professors in the department. Lectures are clear and notes are super helpful. Exams can be quite difficult and long, but grading is fair and generous. Practice exams are available. I've learned a lot from her classes but it did require some hard work.\",\"course_id\":\"STAT 424\",\"date\":\"2020-05-07 05:21:35 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"aa067f083f169d7721f11d0b\",\"instructor_id\":\"rmp:2525911\",\"instructor_name\":\"Pixu Shi\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTMzMjI3NjI3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2525911\"},{\"comment\":\"DO NOT be fooled by the positive comments! Here are just a few of the many examples of why Peter is subpar, academically and as an instructor. 1) Failed to answer questions in class 2) Replied to questions in piazza only by saying "TA will address this". It is true that Peter is a nice person, but you would want to avoid him.\",\"course_id\":\"STAT 424\",\"date\":\"2021-04-30 04:07:53 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"f5a92c81764d51fb616c6140\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NjY1NDgx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"Peter is nice and he's pretty good at explaining the course topics. He gives a lot of review material for the exams, so you can do well if you try. But, the exams did take most of the class the entire period, so be aware that you'll need to work fast. He's inconsistent at answering Piazza posts, but is very willing to help if you speak to him. \",\"course_id\":\"STAT 424\",\"date\":\"2024-05-09 21:12:58 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"4046cdd35af64b1f39661ce5\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTM5NDIzMzQ2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"Although he needs to improve his lectures, his notes are fine because they include all the important information in the course. He doesn't give hard assessments, but we can still learn something.\",\"course_id\":\"STAT 424\",\"date\":\"2025-01-11 10:46:37 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"73351f8c01dd28a3b0cba46f\",\"instructor_id\":\"rmp:2911640\",\"instructor_name\":\"Nimal Wickremasinghe\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTQwMjYzODg0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2911640\"},{\"comment\":\"Peter's nice and very accommodating but his lectures are BAD. You'll have to learn the material yourself but it isn't bad at all b/c the material he covers is pretty easy. Beyond that he's really lenient and gives relatively easy tests that are extremely predictable (think change some wording from practice exam predictable). \",\"course_id\":\"STAT 424\",\"date\":\"2026-05-07 03:46:17 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"9fb774e9b769f89f39a0617c\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTQzMDU1ODEw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"}],\"evidence_count\":8,\"review_ids\":[\"e208fcbc7f8abfc91aea9733\",\"2adb8162e9db87f73c39438e\",\"a0b1e22e48955fa4f7801e83\",\"aa067f083f169d7721f11d0b\",\"f5a92c81764d51fb616c6140\",\"4046cdd35af64b1f39661ce5\",\"73351f8c01dd28a3b0cba46f\",\"9fb774e9b769f89f39a0617c\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2359490\",\"name\":\"Peter Chien\"},{\"id\":\"rmp:2525911\",\"name\":\"Pixu Shi\"},{\"id\":\"rmp:2911640\",\"name\":\"Nimal Wickremasinghe\"},{\"id\":\"rmp:371080\",\"name\":\"Wei-Yin Loh\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2006\"},\"sentiment\":\"mixed\",\"summary\":\"Exams vary from predictable to tricky. Grading clarity is contested, with some finding it fair and others unclear.\"},{\"aspect\":\"projects\",\"evidence\":[{\"comment\":\"His lectures were fine but I really learned the material by reading the book and going to section and listening to the TA. He skimmed project proposals and approved them without actually reading them. Mine had errors that I didn't realise until too late, a friend of mine was told to redo his project with a diff idea even though it was approved...\",\"course_id\":\"STAT 424\",\"date\":\"2018-05-07 18:11:47 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"7167ef254102db3ba9a7310c\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTMwMDE0OTY2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"Peter is one of the best stat professors I've ever meet. If you attend the lecture and take the class seriously, you would get an A easily. Peter would give you lots of advice about the final project. Of course, the best way is to talk to him personally about the project, which will make you in the right direction and an A.\",\"course_id\":\"STAT 424\",\"date\":\"2018-09-20 15:00:44 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"d2254374e7c851ff56758e64\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTMwNTEyODcz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"I enjoyed taking the course. Professor Chien gave interesting examples of chip production and shared stories about statisticians. We learned methods like two-way ANOVA, Latin square, and factorial design. I suggest attending office hours, as he excels at inspiring thoughts, which gives you opportunities to explore and deepen your understanding. \",\"course_id\":\"STAT 424\",\"date\":\"2024-05-17 20:48:44 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"846af3f30b0f94e2af0049dc\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM5NDg1OTQy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"}],\"evidence_count\":3,\"review_ids\":[\"7167ef254102db3ba9a7310c\",\"d2254374e7c851ff56758e64\",\"846af3f30b0f94e2af0049dc\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2359490\",\"name\":\"Peter Chien\"}],\"review_year_end\":\"2024\",\"review_year_start\":\"2018\"},\"sentiment\":\"mixed\",\"summary\":\"The final project is significant. Some appreciate guidance, while others report issues with approval and feedback.\"}]}","candidate_json":null,"error":null,"model":"nvidia/Qwen3.6-35B-A3B-NVFP4","model_revision":"1355db6a052410cfd62085d94b58866fd0f2c3c5","selected_for_release":true},{"run_id":"20260907T155543-ce3781c4","observed_at":"2026-09-07 15:55:43.033547+00:00","course_uid":"course_3c746e3add116a6aa2b49441","course_id":"STAT 424","catalog_version_id":"4c0896061e75a324e407d0ddf5c57ad8292114da32ad6484f4cbd6cc16898ce2","record_version_id":"2c90291bbebd385125ec23f0858b4a8ba055541766e5ceb1aba8815eeeb9b8df","job_id":"enrich-6d152121341c0acec09161dd","output_id":"1f5f07da8f186e5749f7c87d96eecee720fc7c71ab9d610648f0b696ca4f034e","section":"student_summary","status":"valid","value_json":"{\"context_hash\":\"b80bbd36b0b829789968972f5995d0d3912599b0b705727c76e5b474872c1b8b\",\"course_id\":\"STAT 424\",\"current_instructors\":[{\"instructor_uid\":\"instructor_6b47f9ea3905d1d59a4cca56\",\"message\":null,\"name\":\"Peter Chien\",\"review_status\":\"supported\",\"rmp_instructor_id\":\"rmp:2359490\",\"summary\":[{\"citations\":[{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2018-09-20 15:00:44 +0000 UTC\",\"review_id\":\"d2254374e7c851ff56758e64\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTMwNTEyODcz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2021-07-06 20:02:04 +0000 UTC\",\"review_id\":\"bebb3f315c9362cf9b39b03b\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM0OTU1NDU5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2021-07-08 22:06:02 +0000 UTC\",\"review_id\":\"9b58845d6c9bc766dbbd9bd1\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM0OTU5ODg0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2024-05-17 20:48:44 +0000 UTC\",\"review_id\":\"846af3f30b0f94e2af0049dc\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM5NDg1OTQy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"}],\"text\":\"Peter Chien is praised for clear explanations, engaging examples, and inspiring students. Reviewers note he is available for questions and provides helpful practice problems, with some finding the class easy and fun when attending lectures and office hours.\"},{\"citations\":[{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2018-05-07 18:11:47 +0000 UTC\",\"review_id\":\"7167ef254102db3ba9a7310c\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTMwMDE0OTY2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2021-05-01 02:54:13 +0000 UTC\",\"review_id\":\"b7c91568ce171fdf8c4293d9\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM0NjczNDM4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2023-12-24 23:34:32 +0000 UTC\",\"review_id\":\"ebe8aaa545bd04c783f25548\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM4NzkwMjU3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2026-04-09 17:56:53 +0000 UTC\",\"review_id\":\"01f878a32394abb2cc90cd32\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTQyODA2NzM0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2026-05-07 03:46:17 +0000 UTC\",\"review_id\":\"9fb774e9b769f89f39a0617c\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTQzMDU1ODEw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"}],\"text\":\"Other reviewers criticize Chien as unorganized and ineffective, stating lectures lack direction. They report that self-study is necessary, exams are predictable, and communication with TAs is poor, though some find the material itself manageable despite the teaching style.\"}]}],\"difficulty_workload\":[{\"citations\":[{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2019-12-15 19:48:08 +0000 UTC\",\"review_id\":\"a0b1e22e48955fa4f7801e83\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTMyNjY3ODgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2026-05-07 03:46:17 +0000 UTC\",\"review_id\":\"9fb774e9b769f89f39a0617c\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTQzMDU1ODEw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"}],\"text\":\"Workload involves writing R code for homework, while exams are often predictable and similar to practice problems, though self-study via the textbook is recommended.\"}],\"errors\":[],\"historical_context\":[{\"citations\":[{\"instructor_name\":\"Wei-Yin Loh\",\"review_date\":\"2006-01-17 23:25:06 +0000 UTC\",\"review_id\":\"e69defbf02881f460a43d8bc\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:371080\",\"source_review_id\":\"UmF0aW5nLTExMzc5OTYy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\",\"type\":\"review\"},{\"instructor_name\":\"Wei-Yin Loh\",\"review_date\":\"2006-11-13 20:40:11 +0000 UTC\",\"review_id\":\"e208fcbc7f8abfc91aea9733\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:371080\",\"source_review_id\":\"UmF0aW5nLTEyNDA4MDE2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\",\"type\":\"review\"},{\"instructor_name\":\"Pixu Shi\",\"review_date\":\"2019-10-28 02:23:45 +0000 UTC\",\"review_id\":\"f25b8b13ce216eb14853a9ca\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2525911\",\"source_review_id\":\"UmF0aW5nLTMyMzI0NjIw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2525911\",\"type\":\"review\"},{\"instructor_name\":\"Pixu Shi\",\"review_date\":\"2020-05-07 05:21:35 +0000 UTC\",\"review_id\":\"aa067f083f169d7721f11d0b\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2525911\",\"source_review_id\":\"UmF0aW5nLTMzMjI3NjI3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2525911\",\"type\":\"review\"},{\"instructor_name\":\"Wei-Yin Loh\",\"review_date\":\"2022-12-17 20:58:24 +0000 UTC\",\"review_id\":\"ab71a378bed7090740183c06\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:371080\",\"source_review_id\":\"UmF0aW5nLTM3MTcyMjc0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\",\"type\":\"review\"}],\"text\":\"Historical reviews for Wei-Yin Loh describe conflicting experiences. Some praise his energy and clear teaching, while others find his exams tricky and lecture slides insufficient. Historical reviews for Pixu Shi highlight patient instruction and clear notes. Reviewers report her exams are long but fairly graded, requiring consistent effort.\"}],\"message\":null,\"offered\":true,\"profile_hash\":\"e59ddc7389015d0035b68cd195c939d475bf72b959b29cf12eab59b454ccaef1\",\"quick_take\":[{\"citations\":[{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2018-09-20 15:00:44 +0000 UTC\",\"review_id\":\"d2254374e7c851ff56758e64\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTMwNTEyODcz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2021-07-06 20:02:04 +0000 UTC\",\"review_id\":\"bebb3f315c9362cf9b39b03b\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM0OTU1NDU5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2021-07-08 22:06:02 +0000 UTC\",\"review_id\":\"9b58845d6c9bc766dbbd9bd1\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM0OTU5ODg0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2024-05-17 20:48:44 +0000 UTC\",\"review_id\":\"846af3f30b0f94e2af0049dc\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM5NDg1OTQy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"}],\"text\":\"Peter Chien receives high praise for clear explanations, engaging examples, and inspiring students, with some noting easy exams and accessible office hours.\"},{\"citations\":[{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1262\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1264\",\"type\":\"grade\"}],\"text\":\"Recent recorded grades — Spring 2025: 3.55 GPA, 68.6% A/AB (n=51 letter grades); Fall 2025: 3.55 GPA, 76.3% A/AB (n=59 letter grades); Spring 2026: 3.67 GPA, 76.7% A/AB (n=60 letter grades).\"}],\"student_experience\":[{\"citations\":[{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2021-05-01 02:54:13 +0000 UTC\",\"review_id\":\"b7c91568ce171fdf8c4293d9\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM0NjczNDM4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2023-12-24 23:34:32 +0000 UTC\",\"review_id\":\"ebe8aaa545bd04c783f25548\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM4NzkwMjU3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2026-04-09 17:56:53 +0000 UTC\",\"review_id\":\"01f878a32394abb2cc90cd32\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTQyODA2NzM0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"}],\"text\":\"Some students find lectures unorganized, rambling, and confusing, with concerns about TA communication and unclear direction, contrasting with positive experiences.\"}],\"task_hash\":\"74fb0997943e888960bbc9e47db8c4fd12e4292d55c20509d8d89db6a9910f68\",\"teaching_history\":[{\"citations\":[{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1224\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1224\",\"type\":\"grade\"}],\"text\":\"EDWARD ERKER is recorded teaching in Spring 2022. 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Recorded history may be incomplete and does not establish a future schedule.\"},{\"citations\":[{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1194\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1194\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1204\",\"type\":\"grade\"}],\"text\":\"PIXU SHI is recorded teaching in Spring 2019, Spring 2020. 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Topics include: principles of randomization, blocking and replication, randomized blocking designs, Latin square designs, full factorial and fractional factorial designs and response surface methodology.\"}],\"text\":\"STAT 424 introduces statistical experimental design, covering randomization, blocking, factorial designs, and response surface methodology with engineering applications.\"},\"topics\":[{\"evidence\":[{\"course_id\":\"STAT 424\",\"field\":\"description\",\"quote\":\"principles of randomization, blocking and replication\"}],\"text\":\"Randomization, blocking, and replication.\"},{\"evidence\":[{\"course_id\":\"STAT 424\",\"field\":\"description\",\"quote\":\"randomized blocking designs, Latin square designs\"}],\"text\":\"Randomized blocking and Latin square designs.\"},{\"evidence\":[{\"course_id\":\"STAT 424\",\"field\":\"description\",\"quote\":\"full factorial and fractional factorial designs\"},{\"course_id\":\"STAT 424\",\"field\":\"description\",\"quote\":\"response surface methodology\"}],\"text\":\"Full factorial, fractional factorial, and response surface methodology.\"},{\"evidence\":[{\"course_id\":\"STAT 424\",\"field\":\"description\",\"quote\":\"design of experiments for digital transformation and A/B testing\"}],\"text\":\"Digital transformation and A/B testing applications.\"}]}","candidate_json":null,"error":null,"model":"nvidia/Qwen3.6-35B-A3B-NVFP4","model_revision":"1355db6a052410cfd62085d94b58866fd0f2c3c5","selected_for_release":true},{"run_id":"20260907T155543-ce3781c4","observed_at":"2026-09-07 15:55:43.033547+00:00","course_uid":"course_3c746e3add116a6aa2b49441","course_id":"STAT 424","catalog_version_id":"4c0896061e75a324e407d0ddf5c57ad8292114da32ad6484f4cbd6cc16898ce2","record_version_id":"2c90291bbebd385125ec23f0858b4a8ba055541766e5ceb1aba8815eeeb9b8df","job_id":"enrich-8b774950c2b6adfdc46d1b82","output_id":"036491b01b79e30b321252c1b6d447d891281877b8bd37689d97dcd929cfdc83","section":"student_experience","status":"valid","value_json":"{\"status\":\"supported\",\"themes\":[{\"aspect\":\"teaching_clarity\",\"evidence\":[{\"comment\":\"Professor Shi is a really nice professor, delivers very clear lectures and notes and is eager to help. 10/10 recommend.\",\"course_id\":\"STAT 424\",\"date\":\"2019-10-28 02:23:45 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"f25b8b13ce216eb14853a9ca\",\"instructor_id\":\"rmp:2525911\",\"instructor_name\":\"Pixu Shi\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTMyMzI0NjIw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2525911\"},{\"comment\":\"Tedward is awesome. He is an amazing lecturer and is always accessible outside the class. He is also a nice guy to interact with. Overall very good experience. \",\"course_id\":\"STAT 424\",\"date\":\"2022-08-08 03:42:12 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"06411f0d5c68fbd94a67b724\",\"instructor_id\":\"rmp:2627456\",\"instructor_name\":\"Tedward Erker\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM2NTcwNDQz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2627456\"},{\"comment\":\"really nice guy\",\"course_id\":\"STAT 424\",\"date\":\"2022-12-28 21:18:08 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"77e58f92a2c1548eb829cdc0\",\"instructor_id\":\"rmp:2627456\",\"instructor_name\":\"Tedward Erker\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM3MjU2NDg5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2627456\"},{\"comment\":\"loveeee tedward. he's the best\",\"course_id\":\"STAT 424\",\"date\":\"2023-10-20 01:37:38 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"77814fea983856ca400a92a1\",\"instructor_id\":\"rmp:2627456\",\"instructor_name\":\"Tedward Erker\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM4MjkxODI3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2627456\"},{\"comment\":\"This class is extremly hard!!!  I never expected to spend so much time on one class.  He is a great teacher, but his exams are awful and you must fight for a B.\",\"course_id\":\"STAT 424\",\"date\":\"2006-01-17 23:25:06 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"e69defbf02881f460a43d8bc\",\"instructor_id\":\"rmp:371080\",\"instructor_name\":\"Wei-Yin Loh\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTExMzc5OTYy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\"},{\"comment\":\"Loh is an excellent statistician but not a good lecturer. 40% midterm and 50% final. There are only a hundred pages of lecture slides throughout the semester, so be ready to read through them. The midterm was tricky, questions were never expected, and not the same as the practice exam if you have to take this class with him, good luck.\",\"course_id\":\"STAT 424\",\"date\":\"2022-12-17 20:58:24 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"ab71a378bed7090740183c06\",\"instructor_id\":\"rmp:371080\",\"instructor_name\":\"Wei-Yin Loh\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTM3MTcyMjc0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\"},{\"comment\":\"DO NOT be fooled by the positive comments! Here are just a few of the many examples of why Peter is subpar, academically and as an instructor. 1) Failed to answer questions in class 2) Replied to questions in piazza only by saying "TA will address this". It is true that Peter is a nice person, but you would want to avoid him.\",\"course_id\":\"STAT 424\",\"date\":\"2021-04-30 04:07:53 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"f5a92c81764d51fb616c6140\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NjY1NDgx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"Peter is a really nice person, but a really horrible professor. He is about as unorganized and ineffective as a professor can get. He wastes class time and leaves you more confused than when he started. His lectures and examples lack clear direction. He made a class that should have been straightforward unreasonably difficult.\",\"course_id\":\"STAT 424\",\"date\":\"2021-05-01 02:54:13 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"b7c91568ce171fdf8c4293d9\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NjczNDM4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"There were lots of positive feedbacks about Peter, but this semester he really did poor in teaching. Maybe it is due to the online instruction, he just talked through the problems in class and did not write anything down, which is very hard to understand. Also the grading is super unclear. Did not provide any grade cutoff for exams. AVOID!\",\"course_id\":\"STAT 424\",\"date\":\"2021-05-03 01:36:10 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"87ef2d1c644ef6d6ab9c844e\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NjgzNzI4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"He's friendly but he's a terrible teacher. He rambles a lot in lecture about random, unrelated topics and the textbook he uses is not all that good either. The one plus is that he's a very lenient grader. But if you want to actually learn and understand experimental design, you should take it with someone else.\",\"course_id\":\"STAT 424\",\"date\":\"2025-04-30 00:43:09 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"6d82761af47c5ff8caac2c9d\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQxMDkzOTUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"He isn't a super great professor, but the class also isn't super hard. I would really recommend taking it with someone else to understand what is going on. He rambles a lot and it would be a much easier class if he walked through problems. Also he mentioned he's requiring attendance next semester, so just a heads up. \",\"course_id\":\"STAT 424\",\"date\":\"2026-04-09 17:56:53 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"01f878a32394abb2cc90cd32\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTQyODA2NzM0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"Grading isn't super clear IMO, also not as generous of grading as I expected given what has been said in the past. He rambles, class feels pointless sometimes. \",\"course_id\":\"STAT 424\",\"date\":\"2026-05-01 21:04:06 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"8b24a86f2d066eb14b0f7514\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQyOTk4ODI1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"}],\"evidence_count\":12,\"review_ids\":[\"f25b8b13ce216eb14853a9ca\",\"06411f0d5c68fbd94a67b724\",\"77e58f92a2c1548eb829cdc0\",\"77814fea983856ca400a92a1\",\"e69defbf02881f460a43d8bc\",\"ab71a378bed7090740183c06\",\"f5a92c81764d51fb616c6140\",\"b7c91568ce171fdf8c4293d9\",\"87ef2d1c644ef6d6ab9c844e\",\"6d82761af47c5ff8caac2c9d\",\"01f878a32394abb2cc90cd32\",\"8b24a86f2d066eb14b0f7514\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2359490\",\"name\":\"Peter Chien\"},{\"id\":\"rmp:2525911\",\"name\":\"Pixu Shi\"},{\"id\":\"rmp:2627456\",\"name\":\"Tedward Erker\"},{\"id\":\"rmp:371080\",\"name\":\"Wei-Yin Loh\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2006\"},\"sentiment\":\"mixed\",\"summary\":\"Instructor effectiveness varies. Pixu Shi and Tedward Erker are praised for clarity, while Peter Chien receives polarized reviews, described as both amazing and unorganized.\"},{\"aspect\":\"workload\",\"evidence\":[{\"comment\":\"This class is extremly hard!!!  I never expected to spend so much time on one class.  He is a great teacher, but his exams are awful and you must fight for a B.\",\"course_id\":\"STAT 424\",\"date\":\"2006-01-17 23:25:06 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"e69defbf02881f460a43d8bc\",\"instructor_id\":\"rmp:371080\",\"instructor_name\":\"Wei-Yin Loh\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTExMzc5OTYy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\"},{\"comment\":\"BEST PROFESSOR EVER!!!   Most energetic person about stats I have ever seen.  Makes you want to learn and doesn't deal with teaching bull.  Material isn't  hard if you have any stats background, you have to try to not get a B or higher.  All you have to do is go to class an be active, do a little homework, and you should be fine on the the exams.\",\"course_id\":\"STAT 424\",\"date\":\"2006-11-13 20:40:11 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"e208fcbc7f8abfc91aea9733\",\"instructor_id\":\"rmp:371080\",\"instructor_name\":\"Wei-Yin Loh\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTEyNDA4MDE2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\"},{\"comment\":\"His lectures were fine but I really learned the material by reading the book and going to section and listening to the TA. He skimmed project proposals and approved them without actually reading them. Mine had errors that I didn't realise until too late, a friend of mine was told to redo his project with a diff idea even though it was approved...\",\"course_id\":\"STAT 424\",\"date\":\"2018-05-07 18:11:47 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"7167ef254102db3ba9a7310c\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTMwMDE0OTY2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"his class may sound boring at first, but it gets better. the exams are almost the same as the practice exams, which is very helpful. for the exams you need to pay close attention for what he says in class, and get ready to read the textbook for supporting materials. homework requires writing R codes, lectures and exams will not.\",\"course_id\":\"STAT 424\",\"date\":\"2019-12-15 19:48:08 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"a0b1e22e48955fa4f7801e83\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTMyNjY3ODgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"I took her STAT 333, 310, 424 in a row. She's one of the most patient and accessible professors in the department. Lectures are clear and notes are super helpful. Exams can be quite difficult and long, but grading is fair and generous. Practice exams are available. I've learned a lot from her classes but it did require some hard work.\",\"course_id\":\"STAT 424\",\"date\":\"2020-05-07 05:21:35 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"aa067f083f169d7721f11d0b\",\"instructor_id\":\"rmp:2525911\",\"instructor_name\":\"Pixu Shi\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTMzMjI3NjI3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2525911\"},{\"comment\":\"Peter not only excels at explaining statistical formulas, but also goes beyond that to impart a deeper understanding of statistical knowledge. This makes him stand out as one of the best statistics professors I have ever encountered. Additionally, he is incredibly patient and willing to answer all of your questions.\",\"course_id\":\"STAT 424\",\"date\":\"2023-04-29 01:57:52 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"fd261ae48a52bf773c51df41\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM3NzU3NTAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"}],\"evidence_count\":6,\"review_ids\":[\"e69defbf02881f460a43d8bc\",\"e208fcbc7f8abfc91aea9733\",\"7167ef254102db3ba9a7310c\",\"a0b1e22e48955fa4f7801e83\",\"aa067f083f169d7721f11d0b\",\"fd261ae48a52bf773c51df41\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2359490\",\"name\":\"Peter Chien\"},{\"id\":\"rmp:2525911\",\"name\":\"Pixu Shi\"},{\"id\":\"rmp:371080\",\"name\":\"Wei-Yin Loh\"}],\"review_year_end\":\"2023\",\"review_year_start\":\"2006\"},\"sentiment\":\"mixed\",\"summary\":\"Workload perception is inconsistent. Some find it extremely time-consuming, while others feel it is manageable with attendance and homework. R coding is required.\"},{\"aspect\":\"assessment\",\"evidence\":[{\"comment\":\"BEST PROFESSOR EVER!!!   Most energetic person about stats I have ever seen.  Makes you want to learn and doesn't deal with teaching bull.  Material isn't  hard if you have any stats background, you have to try to not get a B or higher.  All you have to do is go to class an be active, do a little homework, and you should be fine on the the exams.\",\"course_id\":\"STAT 424\",\"date\":\"2006-11-13 20:40:11 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"e208fcbc7f8abfc91aea9733\",\"instructor_id\":\"rmp:371080\",\"instructor_name\":\"Wei-Yin Loh\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTEyNDA4MDE2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\"},{\"comment\":\"Professor Chien is really a good person and he inspired you to learn deeper in Statistics. His teaching is really fascinating and useful. I think everyone can learn some from his class. The exam is not too difficult if you follow his instruction and do all required material. He is really good at teaching.\",\"course_id\":\"STAT 424\",\"date\":\"2018-09-20 15:47:19 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"2adb8162e9db87f73c39438e\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTMwNTEzMDQx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"his class may sound boring at first, but it gets better. the exams are almost the same as the practice exams, which is very helpful. for the exams you need to pay close attention for what he says in class, and get ready to read the textbook for supporting materials. homework requires writing R codes, lectures and exams will not.\",\"course_id\":\"STAT 424\",\"date\":\"2019-12-15 19:48:08 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"a0b1e22e48955fa4f7801e83\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTMyNjY3ODgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"I took her STAT 333, 310, 424 in a row. She's one of the most patient and accessible professors in the department. Lectures are clear and notes are super helpful. Exams can be quite difficult and long, but grading is fair and generous. Practice exams are available. I've learned a lot from her classes but it did require some hard work.\",\"course_id\":\"STAT 424\",\"date\":\"2020-05-07 05:21:35 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"aa067f083f169d7721f11d0b\",\"instructor_id\":\"rmp:2525911\",\"instructor_name\":\"Pixu Shi\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTMzMjI3NjI3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2525911\"},{\"comment\":\"DO NOT be fooled by the positive comments! Here are just a few of the many examples of why Peter is subpar, academically and as an instructor. 1) Failed to answer questions in class 2) Replied to questions in piazza only by saying "TA will address this". It is true that Peter is a nice person, but you would want to avoid him.\",\"course_id\":\"STAT 424\",\"date\":\"2021-04-30 04:07:53 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"f5a92c81764d51fb616c6140\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NjY1NDgx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"Peter is nice and he's pretty good at explaining the course topics. He gives a lot of review material for the exams, so you can do well if you try. But, the exams did take most of the class the entire period, so be aware that you'll need to work fast. He's inconsistent at answering Piazza posts, but is very willing to help if you speak to him. \",\"course_id\":\"STAT 424\",\"date\":\"2024-05-09 21:12:58 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"4046cdd35af64b1f39661ce5\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTM5NDIzMzQ2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"Although he needs to improve his lectures, his notes are fine because they include all the important information in the course. He doesn't give hard assessments, but we can still learn something.\",\"course_id\":\"STAT 424\",\"date\":\"2025-01-11 10:46:37 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"73351f8c01dd28a3b0cba46f\",\"instructor_id\":\"rmp:2911640\",\"instructor_name\":\"Nimal Wickremasinghe\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTQwMjYzODg0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2911640\"},{\"comment\":\"Peter's nice and very accommodating but his lectures are BAD. You'll have to learn the material yourself but it isn't bad at all b/c the material he covers is pretty easy. Beyond that he's really lenient and gives relatively easy tests that are extremely predictable (think change some wording from practice exam predictable). \",\"course_id\":\"STAT 424\",\"date\":\"2026-05-07 03:46:17 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"9fb774e9b769f89f39a0617c\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTQzMDU1ODEw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"}],\"evidence_count\":8,\"review_ids\":[\"e208fcbc7f8abfc91aea9733\",\"2adb8162e9db87f73c39438e\",\"a0b1e22e48955fa4f7801e83\",\"aa067f083f169d7721f11d0b\",\"f5a92c81764d51fb616c6140\",\"4046cdd35af64b1f39661ce5\",\"73351f8c01dd28a3b0cba46f\",\"9fb774e9b769f89f39a0617c\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2359490\",\"name\":\"Peter Chien\"},{\"id\":\"rmp:2525911\",\"name\":\"Pixu Shi\"},{\"id\":\"rmp:2911640\",\"name\":\"Nimal Wickremasinghe\"},{\"id\":\"rmp:371080\",\"name\":\"Wei-Yin Loh\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2006\"},\"sentiment\":\"mixed\",\"summary\":\"Exams vary from predictable to tricky. Grading clarity is contested, with some finding it fair and others unclear.\"},{\"aspect\":\"projects\",\"evidence\":[{\"comment\":\"His lectures were fine but I really learned the material by reading the book and going to section and listening to the TA. He skimmed project proposals and approved them without actually reading them. Mine had errors that I didn't realise until too late, a friend of mine was told to redo his project with a diff idea even though it was approved...\",\"course_id\":\"STAT 424\",\"date\":\"2018-05-07 18:11:47 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"7167ef254102db3ba9a7310c\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTMwMDE0OTY2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"Peter is one of the best stat professors I've ever meet. If you attend the lecture and take the class seriously, you would get an A easily. Peter would give you lots of advice about the final project. Of course, the best way is to talk to him personally about the project, which will make you in the right direction and an A.\",\"course_id\":\"STAT 424\",\"date\":\"2018-09-20 15:00:44 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"d2254374e7c851ff56758e64\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTMwNTEyODcz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"I enjoyed taking the course. Professor Chien gave interesting examples of chip production and shared stories about statisticians. We learned methods like two-way ANOVA, Latin square, and factorial design. I suggest attending office hours, as he excels at inspiring thoughts, which gives you opportunities to explore and deepen your understanding. \",\"course_id\":\"STAT 424\",\"date\":\"2024-05-17 20:48:44 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"846af3f30b0f94e2af0049dc\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM5NDg1OTQy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"}],\"evidence_count\":3,\"review_ids\":[\"7167ef254102db3ba9a7310c\",\"d2254374e7c851ff56758e64\",\"846af3f30b0f94e2af0049dc\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2359490\",\"name\":\"Peter Chien\"}],\"review_year_end\":\"2024\",\"review_year_start\":\"2018\"},\"sentiment\":\"mixed\",\"summary\":\"The final project is significant. Some appreciate guidance, while others report issues with approval and feedback.\"}]}","candidate_json":null,"error":null,"model":"nvidia/Qwen3.6-35B-A3B-NVFP4","model_revision":"1355db6a052410cfd62085d94b58866fd0f2c3c5","selected_for_release":true},{"run_id":"20260907T155543-ce3781c4","observed_at":"2026-09-07 15:55:43.033547+00:00","course_uid":"course_3c746e3add116a6aa2b49441","course_id":"STAT 424","catalog_version_id":"4c0896061e75a324e407d0ddf5c57ad8292114da32ad6484f4cbd6cc16898ce2","record_version_id":"2c90291bbebd385125ec23f0858b4a8ba055541766e5ceb1aba8815eeeb9b8df","job_id":"enrich-8b774950c2b6adfdc46d1b82","output_id":"036491b01b79e30b321252c1b6d447d891281877b8bd37689d97dcd929cfdc83","section":"student_summary","status":"valid","value_json":"{\"context_hash\":\"b80bbd36b0b829789968972f5995d0d3912599b0b705727c76e5b474872c1b8b\",\"course_id\":\"STAT 424\",\"current_instructors\":[{\"instructor_uid\":\"instructor_6b47f9ea3905d1d59a4cca56\",\"message\":null,\"name\":\"Peter Chien\",\"review_status\":\"supported\",\"rmp_instructor_id\":\"rmp:2359490\",\"summary\":[{\"citations\":[{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2018-09-20 15:00:44 +0000 UTC\",\"review_id\":\"d2254374e7c851ff56758e64\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTMwNTEyODcz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2021-07-06 20:02:04 +0000 UTC\",\"review_id\":\"bebb3f315c9362cf9b39b03b\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM0OTU1NDU5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2021-07-08 22:06:02 +0000 UTC\",\"review_id\":\"9b58845d6c9bc766dbbd9bd1\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM0OTU5ODg0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2024-05-17 20:48:44 +0000 UTC\",\"review_id\":\"846af3f30b0f94e2af0049dc\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM5NDg1OTQy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"}],\"text\":\"Peter Chien is praised for clear explanations, engaging examples, and inspiring students. Reviewers note he is available for questions and provides helpful practice problems, with some finding the class easy and fun when attending lectures and office hours.\"},{\"citations\":[{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2018-05-07 18:11:47 +0000 UTC\",\"review_id\":\"7167ef254102db3ba9a7310c\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTMwMDE0OTY2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2021-05-01 02:54:13 +0000 UTC\",\"review_id\":\"b7c91568ce171fdf8c4293d9\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM0NjczNDM4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2023-12-24 23:34:32 +0000 UTC\",\"review_id\":\"ebe8aaa545bd04c783f25548\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM4NzkwMjU3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2026-04-09 17:56:53 +0000 UTC\",\"review_id\":\"01f878a32394abb2cc90cd32\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTQyODA2NzM0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2026-05-07 03:46:17 +0000 UTC\",\"review_id\":\"9fb774e9b769f89f39a0617c\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTQzMDU1ODEw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"}],\"text\":\"Other reviewers criticize Chien as unorganized and ineffective, stating lectures lack direction. They report that self-study is necessary, exams are predictable, and communication with TAs is poor, though some find the material itself manageable despite the teaching style.\"}]}],\"difficulty_workload\":[{\"citations\":[{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2019-12-15 19:48:08 +0000 UTC\",\"review_id\":\"a0b1e22e48955fa4f7801e83\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTMyNjY3ODgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2026-05-07 03:46:17 +0000 UTC\",\"review_id\":\"9fb774e9b769f89f39a0617c\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTQzMDU1ODEw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"}],\"text\":\"Workload involves writing R code for homework, while exams are often predictable and similar to practice problems, though self-study via the textbook is recommended.\"}],\"errors\":[],\"historical_context\":[{\"citations\":[{\"instructor_name\":\"Nimal Wickremasinghe\",\"review_date\":\"2025-01-11 10:46:37 +0000 UTC\",\"review_id\":\"73351f8c01dd28a3b0cba46f\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2911640\",\"source_review_id\":\"UmF0aW5nLTQwMjYzODg0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2911640\",\"type\":\"review\"}],\"text\":\"Historical reviews of Nimal Wickremasinghe: Peter Chien is the current instructor. No reviews are available for Chien, so no specific teaching strengths or concerns can be summarized from the provided data.\"}],\"message\":null,\"offered\":true,\"profile_hash\":\"5cb4dabf887cdbcd8c00d5a1312e10828b95c63f30bc3ea76aea199565390d02\",\"quick_take\":[{\"citations\":[{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2018-09-20 15:00:44 +0000 UTC\",\"review_id\":\"d2254374e7c851ff56758e64\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTMwNTEyODcz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2021-07-06 20:02:04 +0000 UTC\",\"review_id\":\"bebb3f315c9362cf9b39b03b\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM0OTU1NDU5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2021-07-08 22:06:02 +0000 UTC\",\"review_id\":\"9b58845d6c9bc766dbbd9bd1\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM0OTU5ODg0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2024-05-17 20:48:44 +0000 UTC\",\"review_id\":\"846af3f30b0f94e2af0049dc\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM5NDg1OTQy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"}],\"text\":\"Peter Chien receives high praise for clear explanations, engaging examples, and inspiring students, with some noting easy exams and accessible office hours.\"},{\"citations\":[{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1262\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1264\",\"type\":\"grade\"}],\"text\":\"Recent recorded grades — Spring 2025: 3.55 GPA, 68.6% A/AB (n=51 letter grades); Fall 2025: 3.55 GPA, 76.3% A/AB (n=59 letter grades); Spring 2026: 3.67 GPA, 76.7% A/AB (n=60 letter grades).\"}],\"student_experience\":[{\"citations\":[{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2021-05-01 02:54:13 +0000 UTC\",\"review_id\":\"b7c91568ce171fdf8c4293d9\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM0NjczNDM4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2023-12-24 23:34:32 +0000 UTC\",\"review_id\":\"ebe8aaa545bd04c783f25548\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM4NzkwMjU3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2026-04-09 17:56:53 +0000 UTC\",\"review_id\":\"01f878a32394abb2cc90cd32\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTQyODA2NzM0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"}],\"text\":\"Some students find lectures unorganized, rambling, and confusing, with concerns about TA communication and unclear direction, contrasting with positive experiences.\"}],\"task_hash\":\"74fb0997943e888960bbc9e47db8c4fd12e4292d55c20509d8d89db6a9910f68\",\"teaching_history\":[{\"citations\":[{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1224\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1224\",\"type\":\"grade\"}],\"text\":\"EDWARD ERKER is recorded teaching in Spring 2022. Recorded history may be incomplete and does not establish a future schedule.\"},{\"citations\":[{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1252\",\"type\":\"grade\"}],\"text\":\"NIMAL WICKREMASINGHE is recorded teaching in Fall 2024. Recorded history may be incomplete and does not establish a future schedule.\"},{\"citations\":[{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1194\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1194\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1204\",\"type\":\"grade\"}],\"text\":\"PIXU SHI is recorded teaching in Spring 2019, Spring 2020. Recorded history may be incomplete and does not establish a future schedule.\"},{\"citations\":[{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1072\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1094\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1104\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1112\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1122\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1162\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1232\",\"type\":\"grade\"}],\"text\":\"WEI-YIN LOH is recorded teaching in Fall 2006, Spring 2009, Spring 2010, Fall 2010, Fall 2011, Fall 2015, Fall 2022. Recorded history may be incomplete and does not establish a future schedule.\"}],\"term_id\":\"1272\",\"term_name\":\"2026 Fall\",\"version\":2}","candidate_json":null,"error":null,"model":"nvidia/Qwen3.6-35B-A3B-NVFP4","model_revision":"1355db6a052410cfd62085d94b58866fd0f2c3c5","selected_for_release":true},{"run_id":"20260907T155543-ce3781c4","observed_at":"2026-09-07 15:55:43.033547+00:00","course_uid":"course_3c746e3add116a6aa2b49441","course_id":"STAT 424","catalog_version_id":"4c0896061e75a324e407d0ddf5c57ad8292114da32ad6484f4cbd6cc16898ce2","record_version_id":"2c90291bbebd385125ec23f0858b4a8ba055541766e5ceb1aba8815eeeb9b8df","job_id":"enrich-ecd149b6a6e0877fce2f3d1c","output_id":"f767e4f0399078ec79a8c2408e1d1302cd9664655a12caa0ce8ccb2f6f1a0955","section":"requirements","status":"needs_review","value_json":"{\"nodes\":[{\"children\":[\"n1\",\"n2\",\"n15\"],\"condition\":null,\"course\":null,\"evidence\":\"(MATH/STAT 310,STAT 333, or340) or (declared in Mechanical Engineering BS 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He is an amazing lecturer and is always accessible outside the class. He is also a nice guy to interact with. Overall very good experience. \",\"course_id\":\"STAT 424\",\"date\":\"2022-08-08 03:42:12 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"06411f0d5c68fbd94a67b724\",\"instructor_id\":\"rmp:2627456\",\"instructor_name\":\"Tedward Erker\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM2NTcwNDQz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2627456\"},{\"comment\":\"really nice guy\",\"course_id\":\"STAT 424\",\"date\":\"2022-12-28 21:18:08 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"77e58f92a2c1548eb829cdc0\",\"instructor_id\":\"rmp:2627456\",\"instructor_name\":\"Tedward Erker\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM3MjU2NDg5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2627456\"},{\"comment\":\"loveeee tedward. he's the best\",\"course_id\":\"STAT 424\",\"date\":\"2023-10-20 01:37:38 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"77814fea983856ca400a92a1\",\"instructor_id\":\"rmp:2627456\",\"instructor_name\":\"Tedward Erker\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM4MjkxODI3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2627456\"},{\"comment\":\"This class is extremly hard!!!  I never expected to spend so much time on one class.  He is a great teacher, but his exams are awful and you must fight for a B.\",\"course_id\":\"STAT 424\",\"date\":\"2006-01-17 23:25:06 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"e69defbf02881f460a43d8bc\",\"instructor_id\":\"rmp:371080\",\"instructor_name\":\"Wei-Yin Loh\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTExMzc5OTYy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\"},{\"comment\":\"Loh is an excellent statistician but not a good lecturer. 40% midterm and 50% final. There are only a hundred pages of lecture slides throughout the semester, so be ready to read through them. The midterm was tricky, questions were never expected, and not the same as the practice exam if you have to take this class with him, good luck.\",\"course_id\":\"STAT 424\",\"date\":\"2022-12-17 20:58:24 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"ab71a378bed7090740183c06\",\"instructor_id\":\"rmp:371080\",\"instructor_name\":\"Wei-Yin Loh\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTM3MTcyMjc0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\"},{\"comment\":\"DO NOT be fooled by the positive comments! Here are just a few of the many examples of why Peter is subpar, academically and as an instructor. 1) Failed to answer questions in class 2) Replied to questions in piazza only by saying "TA will address this". It is true that Peter is a nice person, but you would want to avoid him.\",\"course_id\":\"STAT 424\",\"date\":\"2021-04-30 04:07:53 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"f5a92c81764d51fb616c6140\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NjY1NDgx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"Peter is a really nice person, but a really horrible professor. He is about as unorganized and ineffective as a professor can get. He wastes class time and leaves you more confused than when he started. His lectures and examples lack clear direction. He made a class that should have been straightforward unreasonably difficult.\",\"course_id\":\"STAT 424\",\"date\":\"2021-05-01 02:54:13 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"b7c91568ce171fdf8c4293d9\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NjczNDM4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"There were lots of positive feedbacks about Peter, but this semester he really did poor in teaching. Maybe it is due to the online instruction, he just talked through the problems in class and did not write anything down, which is very hard to understand. Also the grading is super unclear. Did not provide any grade cutoff for exams. AVOID!\",\"course_id\":\"STAT 424\",\"date\":\"2021-05-03 01:36:10 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"87ef2d1c644ef6d6ab9c844e\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NjgzNzI4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"He's friendly but he's a terrible teacher. He rambles a lot in lecture about random, unrelated topics and the textbook he uses is not all that good either. The one plus is that he's a very lenient grader. But if you want to actually learn and understand experimental design, you should take it with someone else.\",\"course_id\":\"STAT 424\",\"date\":\"2025-04-30 00:43:09 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"6d82761af47c5ff8caac2c9d\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQxMDkzOTUz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"He isn't a super great professor, but the class also isn't super hard. I would really recommend taking it with someone else to understand what is going on. He rambles a lot and it would be a much easier class if he walked through problems. Also he mentioned he's requiring attendance next semester, so just a heads up. \",\"course_id\":\"STAT 424\",\"date\":\"2026-04-09 17:56:53 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"01f878a32394abb2cc90cd32\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTQyODA2NzM0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"Grading isn't super clear IMO, also not as generous of grading as I expected given what has been said in the past. He rambles, class feels pointless sometimes. \",\"course_id\":\"STAT 424\",\"date\":\"2026-05-01 21:04:06 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"8b24a86f2d066eb14b0f7514\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTQyOTk4ODI1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"}],\"evidence_count\":12,\"review_ids\":[\"f25b8b13ce216eb14853a9ca\",\"06411f0d5c68fbd94a67b724\",\"77e58f92a2c1548eb829cdc0\",\"77814fea983856ca400a92a1\",\"e69defbf02881f460a43d8bc\",\"ab71a378bed7090740183c06\",\"f5a92c81764d51fb616c6140\",\"b7c91568ce171fdf8c4293d9\",\"87ef2d1c644ef6d6ab9c844e\",\"6d82761af47c5ff8caac2c9d\",\"01f878a32394abb2cc90cd32\",\"8b24a86f2d066eb14b0f7514\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2359490\",\"name\":\"Peter Chien\"},{\"id\":\"rmp:2525911\",\"name\":\"Pixu Shi\"},{\"id\":\"rmp:2627456\",\"name\":\"Tedward Erker\"},{\"id\":\"rmp:371080\",\"name\":\"Wei-Yin Loh\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2006\"},\"sentiment\":\"mixed\",\"summary\":\"Instructor effectiveness varies. Pixu Shi and Tedward Erker are praised for clarity, while Peter Chien receives polarized reviews, described as both amazing and unorganized.\"},{\"aspect\":\"workload\",\"evidence\":[{\"comment\":\"This class is extremly hard!!!  I never expected to spend so much time on one class.  He is a great teacher, but his exams are awful and you must fight for a B.\",\"course_id\":\"STAT 424\",\"date\":\"2006-01-17 23:25:06 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"e69defbf02881f460a43d8bc\",\"instructor_id\":\"rmp:371080\",\"instructor_name\":\"Wei-Yin Loh\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTExMzc5OTYy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\"},{\"comment\":\"BEST PROFESSOR EVER!!!   Most energetic person about stats I have ever seen.  Makes you want to learn and doesn't deal with teaching bull.  Material isn't  hard if you have any stats background, you have to try to not get a B or higher.  All you have to do is go to class an be active, do a little homework, and you should be fine on the the exams.\",\"course_id\":\"STAT 424\",\"date\":\"2006-11-13 20:40:11 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"e208fcbc7f8abfc91aea9733\",\"instructor_id\":\"rmp:371080\",\"instructor_name\":\"Wei-Yin Loh\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTEyNDA4MDE2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\"},{\"comment\":\"His lectures were fine but I really learned the material by reading the book and going to section and listening to the TA. He skimmed project proposals and approved them without actually reading them. Mine had errors that I didn't realise until too late, a friend of mine was told to redo his project with a diff idea even though it was approved...\",\"course_id\":\"STAT 424\",\"date\":\"2018-05-07 18:11:47 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"7167ef254102db3ba9a7310c\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTMwMDE0OTY2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"his class may sound boring at first, but it gets better. the exams are almost the same as the practice exams, which is very helpful. for the exams you need to pay close attention for what he says in class, and get ready to read the textbook for supporting materials. homework requires writing R codes, lectures and exams will not.\",\"course_id\":\"STAT 424\",\"date\":\"2019-12-15 19:48:08 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"a0b1e22e48955fa4f7801e83\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTMyNjY3ODgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"I took her STAT 333, 310, 424 in a row. She's one of the most patient and accessible professors in the department. Lectures are clear and notes are super helpful. Exams can be quite difficult and long, but grading is fair and generous. Practice exams are available. I've learned a lot from her classes but it did require some hard work.\",\"course_id\":\"STAT 424\",\"date\":\"2020-05-07 05:21:35 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"aa067f083f169d7721f11d0b\",\"instructor_id\":\"rmp:2525911\",\"instructor_name\":\"Pixu Shi\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTMzMjI3NjI3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2525911\"},{\"comment\":\"Peter not only excels at explaining statistical formulas, but also goes beyond that to impart a deeper understanding of statistical knowledge. This makes him stand out as one of the best statistics professors I have ever encountered. Additionally, he is incredibly patient and willing to answer all of your questions.\",\"course_id\":\"STAT 424\",\"date\":\"2023-04-29 01:57:52 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"fd261ae48a52bf773c51df41\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM3NzU3NTAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"}],\"evidence_count\":6,\"review_ids\":[\"e69defbf02881f460a43d8bc\",\"e208fcbc7f8abfc91aea9733\",\"7167ef254102db3ba9a7310c\",\"a0b1e22e48955fa4f7801e83\",\"aa067f083f169d7721f11d0b\",\"fd261ae48a52bf773c51df41\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2359490\",\"name\":\"Peter Chien\"},{\"id\":\"rmp:2525911\",\"name\":\"Pixu Shi\"},{\"id\":\"rmp:371080\",\"name\":\"Wei-Yin Loh\"}],\"review_year_end\":\"2023\",\"review_year_start\":\"2006\"},\"sentiment\":\"mixed\",\"summary\":\"Workload perception is inconsistent. Some find it extremely time-consuming, while others feel it is manageable with attendance and homework. R coding is required.\"},{\"aspect\":\"assessment\",\"evidence\":[{\"comment\":\"BEST PROFESSOR EVER!!!   Most energetic person about stats I have ever seen.  Makes you want to learn and doesn't deal with teaching bull.  Material isn't  hard if you have any stats background, you have to try to not get a B or higher.  All you have to do is go to class an be active, do a little homework, and you should be fine on the the exams.\",\"course_id\":\"STAT 424\",\"date\":\"2006-11-13 20:40:11 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"e208fcbc7f8abfc91aea9733\",\"instructor_id\":\"rmp:371080\",\"instructor_name\":\"Wei-Yin Loh\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTEyNDA4MDE2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/371080\"},{\"comment\":\"Professor Chien is really a good person and he inspired you to learn deeper in Statistics. His teaching is really fascinating and useful. I think everyone can learn some from his class. The exam is not too difficult if you follow his instruction and do all required material. He is really good at teaching.\",\"course_id\":\"STAT 424\",\"date\":\"2018-09-20 15:47:19 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"2adb8162e9db87f73c39438e\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTMwNTEzMDQx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"his class may sound boring at first, but it gets better. the exams are almost the same as the practice exams, which is very helpful. for the exams you need to pay close attention for what he says in class, and get ready to read the textbook for supporting materials. homework requires writing R codes, lectures and exams will not.\",\"course_id\":\"STAT 424\",\"date\":\"2019-12-15 19:48:08 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"a0b1e22e48955fa4f7801e83\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTMyNjY3ODgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"I took her STAT 333, 310, 424 in a row. She's one of the most patient and accessible professors in the department. Lectures are clear and notes are super helpful. Exams can be quite difficult and long, but grading is fair and generous. Practice exams are available. I've learned a lot from her classes but it did require some hard work.\",\"course_id\":\"STAT 424\",\"date\":\"2020-05-07 05:21:35 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"aa067f083f169d7721f11d0b\",\"instructor_id\":\"rmp:2525911\",\"instructor_name\":\"Pixu Shi\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTMzMjI3NjI3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2525911\"},{\"comment\":\"DO NOT be fooled by the positive comments! Here are just a few of the many examples of why Peter is subpar, academically and as an instructor. 1) Failed to answer questions in class 2) Replied to questions in piazza only by saying "TA will address this". It is true that Peter is a nice person, but you would want to avoid him.\",\"course_id\":\"STAT 424\",\"date\":\"2021-04-30 04:07:53 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"f5a92c81764d51fb616c6140\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTM0NjY1NDgx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"Peter is nice and he's pretty good at explaining the course topics. He gives a lot of review material for the exams, so you can do well if you try. But, the exams did take most of the class the entire period, so be aware that you'll need to work fast. He's inconsistent at answering Piazza posts, but is very willing to help if you speak to him. \",\"course_id\":\"STAT 424\",\"date\":\"2024-05-09 21:12:58 +0000 UTC\",\"difficulty_rating\":3,\"id\":\"4046cdd35af64b1f39661ce5\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":4,\"source_review_id\":\"UmF0aW5nLTM5NDIzMzQ2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"Although he needs to improve his lectures, his notes are fine because they include all the important information in the course. He doesn't give hard assessments, but we can still learn something.\",\"course_id\":\"STAT 424\",\"date\":\"2025-01-11 10:46:37 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"73351f8c01dd28a3b0cba46f\",\"instructor_id\":\"rmp:2911640\",\"instructor_name\":\"Nimal Wickremasinghe\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTQwMjYzODg0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2911640\"},{\"comment\":\"Peter's nice and very accommodating but his lectures are BAD. You'll have to learn the material yourself but it isn't bad at all b/c the material he covers is pretty easy. Beyond that he's really lenient and gives relatively easy tests that are extremely predictable (think change some wording from practice exam predictable). \",\"course_id\":\"STAT 424\",\"date\":\"2026-05-07 03:46:17 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"9fb774e9b769f89f39a0617c\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTQzMDU1ODEw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"}],\"evidence_count\":8,\"review_ids\":[\"e208fcbc7f8abfc91aea9733\",\"2adb8162e9db87f73c39438e\",\"a0b1e22e48955fa4f7801e83\",\"aa067f083f169d7721f11d0b\",\"f5a92c81764d51fb616c6140\",\"4046cdd35af64b1f39661ce5\",\"73351f8c01dd28a3b0cba46f\",\"9fb774e9b769f89f39a0617c\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2359490\",\"name\":\"Peter Chien\"},{\"id\":\"rmp:2525911\",\"name\":\"Pixu Shi\"},{\"id\":\"rmp:2911640\",\"name\":\"Nimal Wickremasinghe\"},{\"id\":\"rmp:371080\",\"name\":\"Wei-Yin Loh\"}],\"review_year_end\":\"2026\",\"review_year_start\":\"2006\"},\"sentiment\":\"mixed\",\"summary\":\"Exams vary from predictable to tricky. Grading clarity is contested, with some finding it fair and others unclear.\"},{\"aspect\":\"projects\",\"evidence\":[{\"comment\":\"His lectures were fine but I really learned the material by reading the book and going to section and listening to the TA. He skimmed project proposals and approved them without actually reading them. Mine had errors that I didn't realise until too late, a friend of mine was told to redo his project with a diff idea even though it was approved...\",\"course_id\":\"STAT 424\",\"date\":\"2018-05-07 18:11:47 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"7167ef254102db3ba9a7310c\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":2,\"source_review_id\":\"UmF0aW5nLTMwMDE0OTY2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"Peter is one of the best stat professors I've ever meet. If you attend the lecture and take the class seriously, you would get an A easily. Peter would give you lots of advice about the final project. Of course, the best way is to talk to him personally about the project, which will make you in the right direction and an A.\",\"course_id\":\"STAT 424\",\"date\":\"2018-09-20 15:00:44 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"d2254374e7c851ff56758e64\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTMwNTEyODcz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"},{\"comment\":\"I enjoyed taking the course. Professor Chien gave interesting examples of chip production and shared stories about statisticians. We learned methods like two-way ANOVA, Latin square, and factorial design. I suggest attending office hours, as he excels at inspiring thoughts, which gives you opportunities to explore and deepen your understanding. \",\"course_id\":\"STAT 424\",\"date\":\"2024-05-17 20:48:44 +0000 UTC\",\"difficulty_rating\":2,\"id\":\"846af3f30b0f94e2af0049dc\",\"instructor_id\":\"rmp:2359490\",\"instructor_name\":\"Peter Chien\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM5NDg1OTQy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\"}],\"evidence_count\":3,\"review_ids\":[\"7167ef254102db3ba9a7310c\",\"d2254374e7c851ff56758e64\",\"846af3f30b0f94e2af0049dc\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:2359490\",\"name\":\"Peter Chien\"}],\"review_year_end\":\"2024\",\"review_year_start\":\"2018\"},\"sentiment\":\"mixed\",\"summary\":\"The final project is significant. Some appreciate guidance, while others report issues with approval and feedback.\"}]}","candidate_json":null,"error":null,"model":"nvidia/Qwen3.6-35B-A3B-NVFP4","model_revision":"1355db6a052410cfd62085d94b58866fd0f2c3c5","selected_for_release":true},{"run_id":"20260907T155543-ce3781c4","observed_at":"2026-09-07 15:55:43.033547+00:00","course_uid":"course_3c746e3add116a6aa2b49441","course_id":"STAT 424","catalog_version_id":"4c0896061e75a324e407d0ddf5c57ad8292114da32ad6484f4cbd6cc16898ce2","record_version_id":"2c90291bbebd385125ec23f0858b4a8ba055541766e5ceb1aba8815eeeb9b8df","job_id":"enrich-ecd149b6a6e0877fce2f3d1c","output_id":"f767e4f0399078ec79a8c2408e1d1302cd9664655a12caa0ce8ccb2f6f1a0955","section":"student_summary","status":"invalid","value_json":"{\"context_hash\":\"b80bbd36b0b829789968972f5995d0d3912599b0b705727c76e5b474872c1b8b\",\"course_id\":\"STAT 424\",\"current_instructors\":[{\"instructor_uid\":\"instructor_6b47f9ea3905d1d59a4cca56\",\"message\":null,\"name\":\"Peter Chien\",\"review_status\":\"supported\",\"rmp_instructor_id\":\"rmp:2359490\",\"summary\":[{\"citations\":[{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2018-09-20 15:00:44 +0000 UTC\",\"review_id\":\"d2254374e7c851ff56758e64\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTMwNTEyODcz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2021-07-06 20:02:04 +0000 UTC\",\"review_id\":\"bebb3f315c9362cf9b39b03b\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM0OTU1NDU5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2021-07-08 22:06:02 +0000 UTC\",\"review_id\":\"9b58845d6c9bc766dbbd9bd1\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM0OTU5ODg0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2024-05-17 20:48:44 +0000 UTC\",\"review_id\":\"846af3f30b0f94e2af0049dc\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM5NDg1OTQy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"}],\"text\":\"Peter Chien is praised for clear explanations, engaging examples, and inspiring students. Reviewers note he is available for questions and provides helpful practice problems, with some finding the class easy and fun when attending lectures and office hours.\"},{\"citations\":[{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2018-05-07 18:11:47 +0000 UTC\",\"review_id\":\"7167ef254102db3ba9a7310c\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTMwMDE0OTY2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2021-05-01 02:54:13 +0000 UTC\",\"review_id\":\"b7c91568ce171fdf8c4293d9\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM0NjczNDM4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2023-12-24 23:34:32 +0000 UTC\",\"review_id\":\"ebe8aaa545bd04c783f25548\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM4NzkwMjU3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2026-04-09 17:56:53 +0000 UTC\",\"review_id\":\"01f878a32394abb2cc90cd32\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTQyODA2NzM0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2026-05-07 03:46:17 +0000 UTC\",\"review_id\":\"9fb774e9b769f89f39a0617c\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTQzMDU1ODEw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"}],\"text\":\"Other reviewers criticize Chien as unorganized and ineffective, stating lectures lack direction. They report that self-study is necessary, exams are predictable, and communication with TAs is poor, though some find the material itself manageable despite the teaching style.\"}]}],\"difficulty_workload\":[{\"citations\":[{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2019-12-15 19:48:08 +0000 UTC\",\"review_id\":\"a0b1e22e48955fa4f7801e83\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTMyNjY3ODgw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2026-05-07 03:46:17 +0000 UTC\",\"review_id\":\"9fb774e9b769f89f39a0617c\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTQzMDU1ODEw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"}],\"text\":\"Workload involves writing R code for homework, while exams are often predictable and similar to practice problems, though self-study via the textbook is recommended.\"}],\"errors\":[{\"error\":\"UnexpectedModelBehavior: Exceeded maximum output retries (2)\",\"instructor_uid\":null,\"mode\":\"history\"}],\"historical_context\":[],\"message\":null,\"offered\":true,\"profile_hash\":\"e59ddc7389015d0035b68cd195c939d475bf72b959b29cf12eab59b454ccaef1\",\"quick_take\":[{\"citations\":[{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2018-09-20 15:00:44 +0000 UTC\",\"review_id\":\"d2254374e7c851ff56758e64\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTMwNTEyODcz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2021-07-06 20:02:04 +0000 UTC\",\"review_id\":\"bebb3f315c9362cf9b39b03b\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM0OTU1NDU5\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2021-07-08 22:06:02 +0000 UTC\",\"review_id\":\"9b58845d6c9bc766dbbd9bd1\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM0OTU5ODg0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2024-05-17 20:48:44 +0000 UTC\",\"review_id\":\"846af3f30b0f94e2af0049dc\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM5NDg1OTQy\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"}],\"text\":\"Peter Chien receives high praise for clear explanations, engaging examples, and inspiring students, with some noting easy exams and accessible office hours.\"},{\"citations\":[{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1262\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1264\",\"type\":\"grade\"}],\"text\":\"Recent recorded grades — Spring 2025: 3.55 GPA, 68.6% A/AB (n=51 letter grades); Fall 2025: 3.55 GPA, 76.3% A/AB (n=59 letter grades); Spring 2026: 3.67 GPA, 76.7% A/AB (n=60 letter grades).\"}],\"student_experience\":[{\"citations\":[{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2021-05-01 02:54:13 +0000 UTC\",\"review_id\":\"b7c91568ce171fdf8c4293d9\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM0NjczNDM4\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2023-12-24 23:34:32 +0000 UTC\",\"review_id\":\"ebe8aaa545bd04c783f25548\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTM4NzkwMjU3\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"},{\"instructor_name\":\"Peter Chien\",\"review_date\":\"2026-04-09 17:56:53 +0000 UTC\",\"review_id\":\"01f878a32394abb2cc90cd32\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:2359490\",\"source_review_id\":\"UmF0aW5nLTQyODA2NzM0\",\"source_url\":\"https://www.ratemyprofessors.com/professor/2359490\",\"type\":\"review\"}],\"text\":\"Some students find lectures unorganized, rambling, and confusing, with concerns about TA communication and unclear direction, contrasting with positive experiences.\"}],\"task_hash\":\"74fb0997943e888960bbc9e47db8c4fd12e4292d55c20509d8d89db6a9910f68\",\"teaching_history\":[{\"citations\":[{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1224\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1224\",\"type\":\"grade\"}],\"text\":\"EDWARD ERKER is recorded teaching in Spring 2022. Recorded history may be incomplete and does not establish a future schedule.\"},{\"citations\":[{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1252\",\"type\":\"grade\"}],\"text\":\"NIMAL WICKREMASINGHE is recorded teaching in Fall 2024. Recorded history may be incomplete and does not establish a future schedule.\"},{\"citations\":[{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1194\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1194\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1204\",\"type\":\"grade\"}],\"text\":\"PIXU SHI is recorded teaching in Spring 2019, Spring 2020. Recorded history may be incomplete and does not establish a future schedule.\"},{\"citations\":[{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1072\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1094\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1104\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1112\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1122\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1162\",\"type\":\"grade\"},{\"course_id\":\"STAT 424\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"source_record\":{\"entity_id\":\"fd11e9bf-745d-30d7-8dc9-50274f83111c\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1232\",\"type\":\"grade\"}],\"text\":\"WEI-YIN LOH is recorded teaching in Fall 2006, Spring 2009, Spring 2010, Fall 2010, Fall 2011, Fall 2015, Fall 2022. Recorded history may be incomplete and does not establish a future schedule.\"}],\"term_id\":\"1272\",\"term_name\":\"2026 Fall\",\"version\":2}","candidate_json":null,"error":"[{\"mode\": \"history\", \"instructor_uid\": null, \"error\": \"UnexpectedModelBehavior: Exceeded maximum output retries (2)\"}]","model":"nvidia/Qwen3.6-35B-A3B-NVFP4","model_revision":"1355db6a052410cfd62085d94b58866fd0f2c3c5","selected_for_release":true}]